USS LSM-355 was a LSM-1-class landing ship medium in the United States Navy during World War II.

The ship was transferred to France as L9011, South Vietnam as RVNS Hát Giang (HQ-400) and Philippines as RPS Western Samar (LP-66).

[3] LSM-355 was decommissioned on 23 October 1946,[2] but was recommissioned on 18 September 1950 amid the Korean War.

[6] The ship's armament was retained, and additional deckhouses built on Hát Giang's well deck.

The ship was commissioned into the Philippine Navy on 17 November 1975 as RPS Western Samar (LP-66).